★★ 建议用时:
15分钟
Most kinds of rose plants come from Asia.But roses are also__1__to other areas including northwest Africa,Europe and the United States.
In 1986,Congress__2__the rose as America's national flower.Technically, Congress and President Ronald Reagan __3__ it the “national floral emblem(象征)”.Whatever the name,the decision did not smell__4__ to supporters of other popular flowers.
Some people say roses are __5__to grow.But you have a good chance of__6__if you start with a few suggestions from __7__.You should plant your roses where they can get__8__for about six hours on bright days.
You can buy roses from a garden center or by mail__9__.You can buy potted(盆栽的)roses,also known as container roses,or bareroot plants.Each kind has its fans.
Some gardeners say potted roses are easier to plant.They say the roots__10__better.But Jeffrey Dinslage,president of Nature Hills Nursery,__11__that bareroot roses come without soil.So they __12__less to transport.
Jeffrey advises getting bareroot roses as close to__13__time as you can.If they arrive __14__you are ready to plant them,make sure the packing material is moist(潮湿的).Keep the plants in a__15__,dark place.You plant the roses while they are dormant(休眠的).The resting plants have no__16__but still need water.
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